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\ <br /> • <br /> Project Name: Central Everett CHC iiii Boring No.: B-1 <br /> Project Number: 2017-094 Sheet 1 of 2 <br /> Client: CHC Snohomish RILEYGROUP <br /> , ` <br /> Date(s)Drilled: 5/16/2017 Logged By: ELW Surface Conditions: Asphalt <br /> Drilling Method(s): Hollow Stem Auger Drill Bit Size/Type: 4" Total Depth of Borehole: 31.5 feet bgs <br /> Drill Rig Type: Tracked Drill Rig Drilling Contractor: Boretec Approximate N/A <br /> Surface Elevation: <br /> Groundwater Level: Not encountered Sampling Method(s): SPT Hammer Data: 140 lb,30"drop,rope and <br /> cathead <br /> Borehole Backfill: Bentonite Chips Location: 4201 Rucker Avenue,Everett,Washington <br /> U <br /> C <br /> ca <br /> N_ _ <br /> V) O <br /> N : o E <br /> T � I 0 <br /> c <br /> C (1) 1— CL'. T .I <br /> O <br /> 4) N G = a) co U N <br /> ru .a a a -61.' > 07 t7 <br /> @ N <br /> °) °1 CO ) o °) MATERIAL DESCRIPTION a <br /> w o cn U) � _a Ce c9 <br /> 0 Asphal 2"asphalt over crushed rock base <br /> SP-SM. l , Reddish brown gravelly SAND with some silt,medium dense,moist <br /> - - •I .- - <br /> • <br /> I a <br /> :l <br /> . <br /> :l <br /> :I ' <br /> — 5— SM . b Gray silty SAND with trace gravel,medium dense,moist to wet <br /> \ 27 Iron oxide staining,31%fines _ 14 <br /> — 10— <br /> 50/5" . Iv--Becomes very dense,wet 14 <br /> - - i .. <br /> n <br /> • <br /> - - . - <br /> r <br /> - - - <br /> — 15- 4—Becomes moist to wet,contains sand and silt interbeds — <br /> 83 43%fines <br /> - <br /> `, 'L _ 14 <br /> • <br /> - - . T - <br /> — 20 <br /> The Riley Group,Inc. <br /> 17522 Bothell Way NE,Bothell,WA 98011 <br />